====== Web Development Lesson 8 - Forms ======
===== Summary =====
In this lesson we have learnt how to create a form using HTML and CSS, how to check user input with Javascript and how to process the data in PHP for storing in MySQL.

==== HTML Tags ====
  * [[https://www.w3schools.com/tags/tag_form.asp|form]]
  * [[https://www.w3schools.com/tags/tag_label.asp|label]]
  * [[https://www.w3schools.com/tags/tag_select.asp|select]]
  * [[https://www.w3schools.com/tags/tag_option.asp|option]]
  * [[https://www.w3schools.com/tags/tag_fieldset.asp|fieldset]]
  * [[https://www.w3schools.com/tags/tag_legend.asp|legend]]

==== HTML Attributes ====
  * [[https://www.w3schools.com/tags/att_action.asp|action]]
  * [[https://www.w3schools.com/tags/att_method.asp|method]]
  * [[https://www.w3schools.com/html/html_form_input_types.asp|type]]
  * [[https://www.w3schools.com/tags/att_size.asp|size]]
  * [[https://www.w3schools.com/tags/att_maxlength.asp|maxlength]]
  * [[https://www.w3schools.com/tags/att_input_placeholder.asp|placeholder]]
  * [[https://www.w3schools.com/tags/att_input_value.asp|value]]

==== CSS ====
  * [[https://www.w3schools.com/cssref/pr_pos_vertical-align.asp|vertical-align]]

==== Javascript ====
  * [[https://www.w3schools.com/jsref/met_win_settimeout.asp|setTimeout]]
  * [[https://www.w3schools.com/jsref/prop_element_firstelementchild.asp|.firstElementChild]]
  * [[https://www.w3schools.com/jsref/prop_html_innerhtml.asp|.innerHTML]]
  * [[https://www.w3schools.com/jsref/prop_html_style.asp|.style.display]]
  * [[https://www.w3schools.com/jsref/jsref_operators.asp|||, &&, ==, !=]]
  * [[https://www.w3schools.com/jsref/prop_text_value.asp|.value]]
  * [[https://www.w3schools.com/jsref/prop_checkbox_checked.asp|.checked]]
  * [[https://www.w3schools.com/js/js_loop_while.asp|while]]
  * [[https://www.w3schools.com/jsref/met_form_submit.asp|.submit]]

==== PHP ====
  * [[https://www.php.net/manual/en/reserved.variables.get.php|$_GET]]
  * [[https://www.php.net/manual/en/reserved.variables.post.php|$_POST]]
  * [[https://www.php.net/manual/en/control-structures.switch.php|switch]]
  * [[https://www.php.net/manual/en/function.array-push.php|array_push]]
  * [[https://www.php.net/manual/en/function.count.php|count]]
  * [[https://www.php.net/manual/en/function.str-repeat.php|str_repeat]]

==== MySQL ====
  * [[https://dev.mysql.com/doc/refman/8.0/en/group-by-modifiers.html|GROUP BY]]
  * [[https://dev.mysql.com/doc/refman/8.0/en/insert.html|INSERT query]]
  * [[https://dev.mysql.com/doc/refman/8.0/en/update.html|UPDATE query]]
  * [[https://dev.mysql.com/doc/refman/8.0/en/delete.html|DELETE query]]
  * [[https://www.w3resource.com/mysql/comparision-functions-and-operators/in-function.php|IN()]]

[[en:web_development:sessions|Next Lesson: Sessions]]